Eine Alternative zur Nährstoffdichte : Die Nährstoffbewertungszahl = An alternative to nutrient density:the nutrient assessment code numberPALM, K.Aktuelle Ernährungsmedizin. 1992, Vol 17, Num 3, pp 143-148, issn 0341-0501Article

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Optimal labellings of rooted directed treesSHAO, J.-Y.Advances in applied mathematics (Print). 1998, Vol 21, Num 1, pp 1-21, issn 0196-8858Article